1 files changed, 61 insertions, 0 deletions
diff --git a/plug-ins/pygimp/plug-ins/palette-offset.py b/plug-ins/pygimp/plug-ins/palette-offset.py
new file mode 100644
index 0000000..8ba0bfe
--- /dev/null
+++ b/plug-ins/pygimp/plug-ins/palette-offset.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+#    This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from gimpfu import *
+
+gettext.install("gimp20-python", gimp.locale_directory, unicode=True)
+
+def palette_offset(palette, amount):
+    #If palette is read only, work on a copy:
+    editable = pdb.gimp_palette_is_editable(palette)
+    if not editable:palette = pdb.gimp_palette_duplicate (palette)
+
+    num_colors = pdb.gimp_palette_get_info (palette)
+
+    tmp_entry_array = []
+    for i in xrange (num_colors):
+        tmp_entry_array.append  ((pdb.gimp_palette_entry_get_name (palette, i),
+                                  pdb.gimp_palette_entry_get_color (palette, i)))
+    for i in xrange (num_colors):
+        target_index = i + amount
+        if target_index >= num_colors:
+            target_index -= num_colors
+        elif target_index < 0:
+            target_index += num_colors
+        pdb.gimp_palette_entry_set_name (palette, target_index, tmp_entry_array[i][0])
+        pdb.gimp_palette_entry_set_color (palette, target_index, tmp_entry_array[i][1])
+    return palette
+
+
+register(
+    "python-fu-palette-offset",
+    N_("Offset the colors in a palette"),
+    "palette_offset (palette, amount) -> modified_palette",
+    "Joao S. O. Bueno Calligaris, Carol Spears",
+    "(c) Joao S. O. Bueno Calligaris",
+    "2004, 2006",
+    N_("_Offset Palette..."),
+    "",
+    [
+     (PF_PALETTE, "palette", _("Palette"), ""),
+     (PF_INT,     "amount",  _("Off_set"),  1),
+    ],
+    [(PF_PALETTE, "new-palette", "Result")],
+    palette_offset,
+    menu="<Palettes>",
+    domain=("gimp20-python", gimp.locale_directory)
+    )
+
+main ()